Firestone 6817 Airide Double Convoluted Air Spring 20-2

Manufactured as a permanent part of the bead plate assembly for maximum strength and durability. Used to attach the spring to the vehicle's suspension. Serves the dual purpose of mounting the spring to the suspension and providing an entrance for air. Also a permanent part of the bead plate assembly. Provides an alternative mounting system to the stud. Usually 1/4 N.P.T. Provides an air entrance to the bellows. Crimped onto the bellows at the factory for a more durable design and maximum quality control. Allows 100% leakproof testing prior to shipment. he 'air bag' includes four plies of material: an inner layer, two plies of cord-reinforced fabric, and an outer cover. Natural rubber construction provides functional properties to -65F. A solid rubber or engineered plastic device designed to prevent significant damage to the vehicle or suspension in the event of a sudden loss of air pressure in the spring. Provides a lower mounting arrangement for the air spring. Controls the characteristics of the spring under changing pressure loads. Attaches the piston to the bellows. Sometimes extended as a means of attaching the spring to the vehicle suspension. A wire-wound ring molded into the bellows to provide lateral stability in convoluted type springs. Firestone offers a composite fiberglass reinforced plastic piston into its reversible sleeve Airide springs for bus suspensions.

Fits:

Universal Fit